X0508 4 2024-01-12 0 0001253689 GLYCOMIMETICS INC GLYC 0001809747 Semerjian Harout C/O GLYCOMIMETICS, INC 9708 MEDICAL CENTER DRIVE ROCKVILLE MD 20850 1 1 0 0 Chief Executive Officer 0 Employee Stock Option (right to buy) 3.11 2024-01-12 4 A 0 695000 0.00 A 2034-01-11 Common Stock 695000 695000 D 25% of the shares underlying this option will vest on January 12, 2025 and the remaining shares will vest in equal monthly installments over 36 months thereafter, subject to the Reporting Person's continued service with the Issuer through each such vesting date. /s/ Brian F. Leaf, attorney-in-fact 2024-01-17